Tuberculosis (TB) is a potentially serious infectious disease caused by the bacterium Mycobacterium tuberculosis. It mainly affects the lungs but can also infect other parts of the body such as the kidney, spine.

Chikungunya is a viral disease transmitted to humans by the bite of infected Aedes mosquitoes. It causes fever, joint pain, and fatigue, and may mimic symptoms of dengue or viral arthritis.

Hydrocele is a painless swelling of the scrotum caused by fluid buildup around the testicle, commonly seen in newborns and older men.